Replaces uploaded file name chars which are not in \'a-z\', \'0-9\' and \' \'(space) range. Helpful when dealing with non-latin letters. Especially when dealing with urls.
Replaces uploaded file name chars which are not in \'a-z\', \'0-9\' and \' \'(space) range. Helpful when dealing with non-latin letters. Especially when dealing with urls.